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Unread 03-28-2010, 04:20 PM
randlemanboater randlemanboater is offline
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Someone on here had that motor on a V and said it worked ok......top speed of 25 or so?

Who was it?
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Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke.

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  #2  
Unread 04-10-2010, 04:24 AM
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Quote:
Originally Posted by randlemanboater View Post
Someone on here had that motor on a V and said it worked ok......top speed of 25 or so?

Who was it?
That might have been me. I have an 84 center console with a 90hp inline 6 and it would do 25 - 30 mph depending on the load I had in it. I just rebuilt the engine and am still breaking it in. Now at 3500 rpms she will do 19 mph, cant wait to get the break in done so I can open it up again. Yes it planes just fine.

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1984 V-20 Center Console 1985 90 hp Merc. American by birth, Southern by the grace of GOD. Never let your hobby become a job but rather let you job become your hobby.
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Unread 04-11-2010, 07:53 AM
randlemanboater randlemanboater is offline
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Originally Posted by turbinedoctor View Post
That might have been me. I have an 84 center console with a 90hp inline 6 and it would do 25 - 30 mph depending on the load I had in it. I just rebuilt the engine and am still breaking it in. Now at 3500 rpms she will do 19 mph, cant wait to get the break in done so I can open it up again. Yes it planes just fine.

Turbinedoctor

Yep.
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Sold - 1984 V-20 Cuddy with a 2003 Johnson 140 hp gas sippin 4-stroke.

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  #4  
Unread 04-13-2010, 11:08 PM
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Default 90 Merc

I had that same Merc inline 6 engine on a Cruisers, Inc. 19 1/2 foot tri-hull. Strong engine that would get it up on plane and top off between 28-32 @ WOT. Sweet, strong motor.

Still... I had a V20 I/O with a merc 90hp 4 cyl that would not plane unless it was glass smooth. I really wouldn't have less than a 140 on a V20.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
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  #5  
Unread 07-09-2010, 11:03 AM
eaj eaj is offline
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Default 90 hp

Quote:
Originally Posted by turbinedoctor View Post
That might have been me. I have an 84 center console with a 90hp inline 6 and it would do 25 - 30 mph depending on the load I had in it. I just rebuilt the engine and am still breaking it in. Now at 3500 rpms she will do 19 mph, cant wait to get the break in done so I can open it up again. Yes it planes just fine.

Turbinedoctor
what size prop you running on the 90
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  #6  
Unread 07-09-2010, 05:19 PM
Steplift 72' Steplift 72' is offline
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When I bought my 72 model V20 steplift, it had a 72 model 85 hp Johnson. Tried it out with that motor and immediately traded it for a 73 model 135 Johnson which ran great. I recall the 85 Johnson showed about 28 mph on an old airguide speedometer and you could throttle back a bit and still stay on plane. I really wanted to cruise at 28, not have that for full throttle. If I had a 90 that ran well, I'd use it. Keep in mind the older boats had saddle tanks that held just 40 gallons and the only equipment on mine was a compass and speedometer.
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